Does Silverline allow 4-byte ASNs? Question Does Silverline accept 4-byte ASNs? Can I use 4-byte ASNs with Silverline? Environment Silverline DDoS Answer Yes, Silverline allows the use of 4-byte ASNs. Related Content Q&A: What is BGP and how does F5 Silverline use BGP? BGP Configuration for DDoS Protection Setup GRE Tunnel Set-up Guide Q&A Resource Public Key Infrastructure Route Origin Authorizations (ROAs) Have more questions? Submit a request